Evaluating Decisions Unit 6 (7 Qtns.), Hypothesis (2 Qtns.), HIV AIDS Case (10 Qtns.) and Measure of Association PRE (2 Qtns.)
ashitjha
questions__measure_of_association_pre_qs_2.docStats Homework
Chapter 12
Please show all work. With each problem please do the correct Measure of Association (M of A) and the PRE that goes with the problem. Then tell me what you found.
1. The tables below report relationships between several variables and victimization of individuals. Compute the MofA for each and PRE.Please report what you found as to which groups experienced more victimization?
Sex
Victimized? Male Females Totals X2 = 4.31
Yes 10 21 31
No 3 17 20
Totals 13 38 51
Age
Victimized? 21 & below 22 & above Totals X2 = 5.73
Yes 32 21 53
No 12 16 28
Totals 44 37 81
Race
Victimized? Black White Totals X2 = 5.19
Yes 21 18 39
No 3 19 22
Totals 24 37 61
2. A sociologist is researching public attitudes toward crime and is asking residents of his city if they think that the crime rate in their neighborhoods is rising. Is there a relationship between sex and the issue of crime rates, and is there one between race and the issue of crime rates? Compute the correct MofA and PRE.
Sex
Crime
Rate Male Female Totals X2 = 7.46
Rising 200 225 425
Stable 175 150 325
Falling 125 125 250
Totals 500 500 1000
Race
Crime
Rate White Black Totals X2 = 11.25
Rising 250 275 525
Stable 180 85 265
Falling 170 40 210
Totals 600 400 1000
